nodogsplash/files/nodogsplash.init

   1 #!/bin/sh /etc/rc.common
   2 #
   3 # description: Startup/shutdown script for nodogsplash captive portal
   4 #
   5 # P. Kube 2007
   6 #
   7 # (Based on wifidog startup script
   8 # Date    : 2004-08-25
   9 # Version : 1.0
  10 # Comment by that author: Could be better, but it's working as expected)
  11 #
  12
  13
  14 IPT=/usr/sbin/iptables
  15 WD_DIR=/usr/bin
  16 NDS_CONF=/etc/nodogsplash/nodogsplash.conf
  17 OPTIONS=""
  18 START=65
  19 STOP=65
  20 # -s -d 5 runs in background, with level 5 (not so verbose) messages to syslog
  21 # -f -d 7 runs in foreground, with level 7 (verbose) debug messages to terminal
  22 # N.B.: -f will fail if starting at boot from rcS
  23 #OPTIONS="-s -d 5"
  24
  25 start() {
  26         echo "Starting nodogsplash ... "
  27         if $WD_DIR/ndsctl status 2> /dev/null; then
  28                 echo "FAILED:  nodogsplash already running"
  29         else
  30                 if test_module && $WD_DIR/nodogsplash $OPTIONS; then
  31                         echo "OK: nodogsplash started"
  32                 else
  33                         echo "FAILED:  nodogsplash exited with non 0 status"
  34                 fi
  35         fi
  36 }
  37
  38 stop() {
  39         echo "Stopping nodogsplash ... "
  40         if $WD_DIR/ndsctl status 2> /dev/null; then
  41                 if $WD_DIR/ndsctl stop; then
  42                         echo "OK: nodogsplash stopped"
  43                 else
  44                         echo "FAILED:  ndsctl stop exited with non 0 status"
  45                 fi
  46         else
  47                 echo "FAILED:  nodogsplash was not running"
  48         fi
  49 }
  50
  51 status() {
  52         $WD_DIR/ndsctl status
  53 }
  54
  55 test_module() {
  56
  57     ### Test ipt_mark with iptables
  58     test_ipt_mark () {
  59         ($IPT -A FORWARD -m mark --mark 2 -j ACCEPT 2>&1) > /dev/null
  60         IPTABLES_OK=$?
  61         if [ "$IPTABLES_OK" -eq 0 ]; then
  62             ($IPT -D FORWARD -m mark --mark 2 -j ACCEPT 2>&1) > /dev/null
  63             return 0
  64         else
  65             return 1
  66         fi
  67     }
  68     ### Test ipt_mac with iptables
  69     test_ipt_mac () {
  70         ($IPT -A INPUT -m mac --mac-source 00:00:00:00:00:00 -j ACCEPT 2>&1) > /dev/null
  71         IPTABLES_OK=$?
  72         if [ "$IPTABLES_OK" -eq 0 ]; then
  73             ($IPT -D INPUT -m mac --mac-source 00:00:00:00:00:00 -j ACCEPT 2>&1) > /dev/null
  74             return 0
  75         else
  76             return 1
  77         fi
  78     }
  79
  80     ### Test ipt_IMQ with iptables
  81     test_ipt_IMQ () {
  82         ($IPT -t mangle -A PREROUTING -j IMQ --todev 0 2>&1) > /dev/null
  83         IPTABLES_OK=$?
  84         if [ "$IPTABLES_OK" -eq 0 ]; then
  85             ($IPT -t mangle -D PREROUTING -j IMQ --todev 0 2>&1) > /dev/null
  86             return 0
  87         else
  88             return 1
  89         fi
  90     }
  91
  92     ### Test imq with ip
  93     test_imq () {
  94         (ip link set imq0 up 2>&1) > /dev/null
  95         IMQ0_OK=$?
  96         (ip link set imq1 up 2>&1) > /dev/null
  97         IMQ1_OK=$?
  98         if [ "$IMQ0_OK" -eq 0 -a "$IMQ1_OK" -eq 0 ]; then
  99             (ip link set imq0 down 2>&1) > /dev/null
 100             (ip link set imq1 down 2>&1) > /dev/null
 101             return 0
 102         else
 103             return 1
 104         fi
 105     }
 106
 107     ### Test sch_htb with tc; requires imq0
 108     test_sch_htb () {
 109         (tc qdisc del dev imq0 root 2>&1) > /dev/null
 110         (tc qdisc add dev imq0 root htb 2>&1) > /dev/null
 111         TC_OK=$?
 112         if [ "$TC_OK" -eq 0 ]; then
 113             (tc qdisc del dev imq0 root 2>&1) > /dev/null
 114             return 0
 115         else
 116             return 1
 117         fi
 118     }
 119
 120
 121     ### Find a module on disk
 122     module_exists () {
 123       EXIST=$(find /lib/modules/`uname -r` -name $1.*o 2> /dev/null)
 124       if [ -n "$EXIST" ]; then
 125         return 0
 126       else
 127         return 1
 128       fi
 129     }
 130
 131     ### Test if a module is in memory
 132     module_in_memory () {
 133       MODULE=$(lsmod | grep $1 | awk '{print $1}')
 134       if [ "$MODULE" = "$1" ]; then
 135         return 0
 136       else
 137         return 1
 138       fi
 139     }
 140
 141     ### Test functionality of a module; load if necessary
 142     do_module_tests () {
 143         echo "  Testing module $1 $2"
 144         "test_$1"
 145         if [ $? -ne 0 ]; then
 146             echo "   Module $1 $2 needed"
 147             echo "   Scanning disk for $1 module"
 148             module_exists $1
 149             if [ $? -ne 0 ]; then
 150                 echo "   $1 module missing: please install it"
 151                 exit 1
 152             else
 153                 echo "   $1 exists, trying to load"
 154                 insmod $1 $2 > /dev/null
 155                 if [ $? -ne 0 ]; then
 156                     echo "   Error: insmod $1 $2 failed"
 157                     exit 1
 158                 else
 159                     echo "   $1 $2 loaded successfully"
 160                 fi
 161             fi
 162         else
 163             echo "   $1 is working"
 164         fi
 165
 166     }
 167
 168     echo " Testing required modules"
 169
 170     do_module_tests "ipt_mac"
 171     do_module_tests "ipt_mark"
 172
 173     # test for imq modules, only if TrafficControl is enabled in conf
 174     if ( grep -q -E '^[[:space:]]*TrafficControl[[:space:]]+(yes|true|1)' "$NDS_CONF" ) ; then
 175         do_module_tests "imq" "numdevs=2"
 176         do_module_tests "ipt_IMQ"
 177         do_module_tests "sch_htb"
 178     fi
 179 }